From: Anxiety disorders: An information guide (© 2005, 2008 CAMH)
American Psychological Associationwww.apa.org
American Psychiatric Associationwww.psych.org
Anxiety Disorders Association of Americawww.adaa.org
Anxiety Disorders Association of Canadawww.anxietycanada.ca
Anxiety Disorders Association of Ontariowww.anxietydisordersontario.ca
Association for Behavioral and Cognitive Therapieswww.abct.org
Canadian Mental Health Associationwww.cmha.ca
Canadian Network for Mood and Anxiety Treatmentswww.canmat.org
Centre for Addiction and Mental Healthwww.camh.net
Clinical Research Unit for Anxiety and Depressionwww.crufad.com
Freedom from Fearwww.freedomfromfear.org/
Obsessive-Compulsive Foundationwww.ocfoundation.org
Mood and Anxiety Disorders Institutewww.massgeneral.org/madiresourcecenter
Mental Health: A Report of the Surgeon General (U.S.)www.surgeongeneral.gov/library/mentalhealth/chapter4/sec2_1.html
National Institute of Mental Health (U.S.)www.nimh.nih.gov/health/topics/anxiety-disorders/index.shtml